Tarouco was originally from Italy, and was first introduced from Albania in 1965, and then from Italy and Algeria in 1972. Sichuan, Jiangxi, Chongqing and Hunan have a small amount of cultivation. Its main characteristics are: moderate tree shape, round crown, medium and large, irregular: the fruit is obovate or short oval, and the fruit stalk has obvious furrows. The weight of single fruit is about 150g, and the fruit color is orange-red and smooth. The pulp is dark in color, full purple, crisp and juicy, sweet and sour, rich in aroma, nearly seedless and excellent in quality; The following year (1~ February), the fruit is ripe and can be stored. Tarouco, as a late-maturing sweet orange, is an excellent citrus variety vigorously promoted in China.